Table 6 Vertical force distribution ratio (%) (work condition 2)

Model

Vertical resistance at the bottom of front leg

Outer friction of front leg

Inner friction of front leg

Total of front leg

Vertical resistance at the bottom of rear leg

flac3D

16.0

8.4

3.7

28.1

18.8

Theoretical calculation

9.1

11.5

2.3

22.8

7.3

Model

Outer friction of rear leg

Inner friction of rear leg

Total of rear leg

Resistance of the bottom of cushion cap

Resistance of cushion cap side

Total

flac3D

7.4

3.8

30.0

37.1

4.9

42.0

theoretical calculation

9.3

1.8

18.4

57.2

3.9

61.1